private static object GetUsingValue(MutableTuple tuple, int index, ExecutionContext context)
{
UsingResult usingValueFromTuple = GetUsingValueFromTuple(tuple, index);
if (usingValueFromTuple != null)
{
return(usingValueFromTuple.Value);
}
for (SessionStateScope scope = context.EngineSessionState.CurrentScope; scope != null; scope = scope.Parent)
{
usingValueFromTuple = GetUsingValueFromTuple(scope.LocalsTuple, index);
if (usingValueFromTuple != null)
{
return(usingValueFromTuple.Value);
}
foreach (MutableTuple tuple2 in scope.DottedScopes)
{
usingValueFromTuple = GetUsingValueFromTuple(tuple2, index);
if (usingValueFromTuple != null)
{
return(usingValueFromTuple.Value);
}
}
}
throw InterpreterError.NewInterpreterException(null, typeof(RuntimeException), null, "UsingWithoutInvokeCommand", ParserStrings.UsingWithoutInvokeCommand, new object[0]);
}
internal static object GetUsingValue(MutableTuple tuple, string usingExpressionKey, int index, ExecutionContext context)
{
UsingResult result = GetUsingValueFromTuple(tuple, usingExpressionKey, index);
if (result != null)
{
return(result.Value);
}
var scope = context.EngineSessionState.CurrentScope;
while (scope != null)
{
result = GetUsingValueFromTuple(scope.LocalsTuple, usingExpressionKey, index);
if (result != null)
{
return(result.Value);
}
foreach (var dottedScope in scope.DottedScopes)
{
result = GetUsingValueFromTuple(dottedScope, usingExpressionKey, index);
if (result != null)
{
return(result.Value);
}
}
scope = scope.Parent;
}
// $PSBoundParameters is null or not the expected type (because someone may have assigned to it), so
// we can't even guess if they were mis-using $using:foo
throw InterpreterError.NewInterpreterException(null, typeof(RuntimeException),
null, "UsingWithoutInvokeCommand", ParserStrings.UsingWithoutInvokeCommand);
}
